title: [Progressive intra-acetabular dislocation of bipolar hip prostheses: four cases].
mesh_terms: D000077:Acetabulum / Q000473:pathology; D000368:Aged; D000369:Aged, 80 and over; D019644:Arthroplasty, Replacement, Hip / Q000379:methods*; D018450:Disease Progression; D005260:Female; D006622:Hip Prosthesis; D006801:Humans; D004204:Joint Dislocations / Q000209:etiology* / Q000473:pathology; D007593:Joint Instability; D011474:Prosthesis Design; D011475:Prosthesis Failure; D016474:Weight-Bearing
vernacular_title: Dissociation progressive intra prothétique d'une prothèse intermédiaire de hanche. A propos de 4 cas.